umbalaconmeogia/furiganaTxt2Html.php

## furiganaTxt2Html.php
<?php
/**
 * Convert a text file that has furigana in parentheses into HTML <ruby> tag.
 *
 * Syntax
 * ```shell
 * php furiganaTxt2Html.php <input.txt> <output.html>
 * ```
 *
 * Example:
 * ```shell
 * php furiganaTxt2Html.php input.txt output.html
 * ```
 * where input.txt is as bellow
 * ```txt
 * 私(わたし)は今⽇(きょう)から、新(あたら)しい⼈⽣(じんせい)を始(はじ)める。
 * ```
 * the output.html is as below
 * ```html
 * <ruby>私<rt>わたし</rt></ruby>は<ruby>今⽇<rt>きょう</rt></ruby>から、<ruby>新<rt>あたら</rt></ruby>しい<ruby>⼈⽣<rt>じんせい</rt></ruby>を<ruby>始<rt>はじ</rt></ruby>める。
 * ```
 */

// Get $input, $output from command line parameters.
if (count($argv) != 3) {
    echo "Wrong parameters.\nSyntax:\n  php furiganaTxt2Html.php <input.txt> <output.html>";
    die;
}
list($dummy, $input, $output) = $argv;

// Open $input, $output files.
$fin = fopen($input, 'r');
$fout = fopen($output, 'w');

// Read input file, process and write to output file.
fputs($fout, '<!DOCTYPE html>');
fputs($fout, "<html>\n<body>");
while (($row = fgets($fin)) !== false) {
    $row = rubyFormat($row);
    fputs($fout, $row);
}
fputs($fout, "</body>\n</html>");

// Close files.
fclose($fin);
fclose($fout);
echo "DONE.\n";

/**
 * @param string $row Text to be converted to use <ruby> tag.
 * @return string Formatted HTML.
 */
function rubyFormat($row)
{
    $pattern = "/([\p{Han}0-9０-９]+)\(([^)]+)\)/u"; // About \p{Han}: https://tama-san.com/kanji-regex/
    $replacement = '<ruby>$1<rt>$2</rt></ruby>';
    $row = preg_replace($pattern, $replacement, $row);
    $row = trim($row);
    $row = "<p>$row</p>\n";
    return $row;
}
	<?php
	/**
	* Convert a text file that has furigana in parentheses into HTML <ruby> tag.
	*
	* Syntax
	* ```shell
	* php furiganaTxt2Html.php <input.txt> <output.html>
	* ```
	*
	* Example:
	* ```shell
	* php furiganaTxt2Html.php input.txt output.html
	* ```
	* where input.txt is as bellow
	* ```txt
	* 私(わたし)は今⽇(きょう)から、新(あたら)しい⼈⽣(じんせい)を始(はじ)める。
	* ```
	* the output.html is as below
	* ```html
	* <ruby>私<rt>わたし</rt></ruby>は<ruby>今⽇<rt>きょう</rt></ruby>から、<ruby>新<rt>あたら</rt></ruby>しい<ruby>⼈⽣<rt>じんせい</rt></ruby>を<ruby>始<rt>はじ</rt></ruby>める。
	* ```
	*/

	// Get $input, $output from command line parameters.
	if (count($argv) != 3) {
	echo "Wrong parameters.\nSyntax:\n php furiganaTxt2Html.php <input.txt> <output.html>";
	die;
	}
	list($dummy, $input, $output) = $argv;

	// Open $input, $output files.
	$fin = fopen($input, 'r');
	$fout = fopen($output, 'w');

	// Read input file, process and write to output file.
	fputs($fout, '<!DOCTYPE html>');
	fputs($fout, "<html>\n<body>");
	while (($row = fgets($fin)) !== false) {
	$row = rubyFormat($row);
	fputs($fout, $row);
	}
	fputs($fout, "</body>\n</html>");

	// Close files.
	fclose($fin);
	fclose($fout);
	echo "DONE.\n";

	/**
	* @param string $row Text to be converted to use <ruby> tag.
	* @return string Formatted HTML.
	*/
	function rubyFormat($row)
	{
	$pattern = "/([\p{Han}0-9０-９]+)\(([^)]+)\)/u"; // About \p{Han}: https://tama-san.com/kanji-regex/
	$replacement = '<ruby>$1<rt>$2</rt></ruby>';
	$row = preg_replace($pattern, $replacement, $row);
	$row = trim($row);
	$row = "<p>$row</p>\n";
	return $row;
	}